// fft.ck: taking FFT via upchcuk, printing the spectrum// authors: Rebecca Fiebrink and Ge Wang // our patchSinOsc g => FFT fft => blackhole; // set sratesecond / samp => float srate;// set parameters8 => fft.size;// divideint div; // control loopwhile( true ){    // set freq    srate / fft.size() * div++ => g.freq;    fft.size()/2 %=> div;        // take fft    fft.upchuck();    // examine contents    <<< fft.cval(0)$polar, fft.cval(1)$polar,        fft.cval(2)$polar, fft.cval(3)$polar >>>;     // advance time    100::ms => now;}